B B bb  
C B cb  
C N cn   
F C fc  
H H hh       
N O no   
O H oh   
H O oh   
O Si osi-d  
Sc Sc scsc   
Si N sin    
Si Si sisi-d
B C bc  
C C cc  
C O co   
F F ff  
N C nc   
N Sc nsc  
O N on   
P P pp     
Si C sic    
Si O sio    
B H bh  
C F cf  
C Sc csc  
F H fh  
H F fh  
Mo Mo momo      
N B nb        
N H nh   
N Si nsi  
O O oo   
Sc C scc    
Si H sih    
Si O sio-d  
B N bn  
C H ch  
H C ch  
C Si csi  
H B hb   
Mo S mos       
N N nn   
O C oc   
O Si osi  
Sc N scn    
SI H sih-d  
Si Si sisi   
S S ss


